Funding for this research was provided by:
EU (HEALS: 603946)
German Federal Ministry for Education and Research (01ZX1306E)
University Children’s Hospital Regensburg
the hospital St. Hedwig of the order of St. John, Regensburg
Received: 27 November 2020
Revised: 1 April 2021
Accepted: 29 April 2021
First Online: 17 May 2021
: The KUNO-Kids study was approved by the Ethics Committee of the University of Regensburg (Reference Number 14-101-0347).
: Written informed consent is required for all participants in the KUNO-Kids study. Participants can withdraw their consent at any time.
: Not applicable
: The authors declare no competing interests.